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3D NUMERICAL MODELLING OF FIVE SUBMARINE LANDSLIDE SCENARIOS IN PERTH CANYON, AUSTRALIA TO ASSESS TSUNAMIGENIC HAZARD 澳洲珀斯峡谷五种海底滑坡情景的三维数值模拟，以评估引发海啸的危险
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.35
Elise J. Buller, Kendall C. Mollison, Hannah E. Power
{"title":"3D NUMERICAL MODELLING OF FIVE SUBMARINE LANDSLIDE SCENARIOS IN PERTH CANYON, AUSTRALIA TO ASSESS TSUNAMIGENIC HAZARD","authors":"Elise J. Buller, Kendall C. Mollison, Hannah E. Power","doi":"10.9753/icce.v37.management.35","DOIUrl":"https://doi.org/10.9753/icce.v37.management.35","url":null,"abstract":"Submarine canyons have been identified on nearly all margins around the world (Urlaub et al., 2013). Their configuration and morphology has been attributed to several factors including geology, tectonism, sea-level variations, and sediment supply to the region (Laursen and Normark, 2002) with processes occurring over varying temporal and spatial scales driving complex morphologies (Drexler, et al., 2006). A common process in submarine canyons is the mass wasting of sediment in the form of submarine landslides (SMLS) (Brothers, et al., 2013). A SMLS is a displacement of sediment or debris driven by gravity where the downslope forces are greater than the forces that are acting to resist the mass-failures (Mountjoy and Micallef, 2018). The potential tsunami hazard posed by these SMLS was assessed by Buller et al. (2021) using empirical calculations which showed that these SMLSs posed a tsunami threat to the adjacent coastline with calculated wave amplitudes ranging from 2.13 – 15.90 m. However, the tsunami risk assessed in their study was a conservative initial assessment and did not consider how local bathymetry influenced tsunami propagation.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MANGROVE AND ITS IMPACTS ON WATER WAVES: A MODEL-SCALE LABORATORY STUDY USING 3D REPLICAS OF TYPICAL RHIZOPHORA 红树林及其对水波的影响:使用典型根瘤菌三维复制品的模型尺度实验室研究
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.160
Che-Wei Chang, Nobuhito Mori, Naoki Tsuruta, Kojiro Suzuki, Hideaki Yanagisawa
{"title":"MANGROVE AND ITS IMPACTS ON WATER WAVES: A MODEL-SCALE LABORATORY STUDY USING 3D REPLICAS OF TYPICAL RHIZOPHORA","authors":"Che-Wei Chang, Nobuhito Mori, Naoki Tsuruta, Kojiro Suzuki, Hideaki Yanagisawa","doi":"10.9753/icce.v37.management.160","DOIUrl":"https://doi.org/10.9753/icce.v37.management.160","url":null,"abstract":"Mangroves, a major type of nature-based solution in the tropics and subtropics, were evidenced capable of reducing wave energy in tsunami and storm events. The typical species, Rhizophora with its complex root system, was found effective in wave attenuation (Tanaka et al. 2007) and was studied experimentally using artificial tree models (e.g. Maza et al. 2019). To investigate the impacts of mangrove roots on water waves at a finer scale, we conducted experiments using 3D-printed models that replicated the geometry of natural Rhizophora. This study discusses the resistance of mangrove roots and their impacts on fluid velocity and turbulence.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE IMPLICATIONS OF TRANSITIONAL CLIMATE REGIONS ON COASTAL RISK 过渡性气候区对沿海风险的影响
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.42
Itxaso Odériz, Nobuhito Mori, Rodolfo Silva, Iñigo J. Losada
{"title":"THE IMPLICATIONS OF TRANSITIONAL CLIMATE REGIONS ON COASTAL RISK","authors":"Itxaso Odériz, Nobuhito Mori, Rodolfo Silva, Iñigo J. Losada","doi":"10.9753/icce.v37.management.42","DOIUrl":"https://doi.org/10.9753/icce.v37.management.42","url":null,"abstract":"The latest report of the IPCC-AR6 warned that coastal regions are one of the most vulnerable areas in the current climate emergency. In response, the knowledge concerning projected climatic-impact drivers (total water level, average and extreme waves) is rapidly progressing to reduce future coastal flooding and erosion risks. Climate change also shifts atmospheric circulation and affects the climate regions and their surrounding areas. This study aims to identify transitional wave climate regions and proposes a map of these critical areas. A spatial-temporal and multivariate analysis, based on Machine Learning approaches, was used to classify the wave parameters into climates for the end of the century (2081-2099) under the RCP8.5 scenario.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DEEP LEARNING TO PREDICT TSUNAMI HEIGHT AT THE SHORELINE USING OCEAN BOTTOM PRESSURE DATA 利用海底压力数据进行深度学习，预测海岸线的海啸高度
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.98
Willington Renteria, Patrick Lynett
{"title":"DEEP LEARNING TO PREDICT TSUNAMI HEIGHT AT THE SHORELINE USING OCEAN BOTTOM PRESSURE DATA","authors":"Willington Renteria, Patrick Lynett","doi":"10.9753/icce.v37.management.98","DOIUrl":"https://doi.org/10.9753/icce.v37.management.98","url":null,"abstract":"Real-time tsunami prediction is a required component of a tsunami warning system. Several advances have been made to improve prediction in the tsunami warning process, including precomputed databases and the assimilation of deep-ocean observations (DART buoys) into numerical modeling (Bernard and Titov, 2015). These improvements aim to accurately and quickly predict the time and height of the tsunami wave impact. Here, two deep learning models (DLM) are developed to predict the maximum tsunami height at a local/long shoreline from four time series observations of ocean bottom pressure data.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MIGRATION AND BURIAL TENDENCIES OF VARIABLE DENSITY MUNITIONS: INITIAL RESULTS FROM A LARGE-SCALE STUDY 变密度弹药的迁移和埋藏趋势:大规模研究的初步结果
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.48
Manoj Kumar Gangadharan, Temitope E Idowu, Emily Chapman, Jack A Puleo, Jacob Stolle, Damien Pham Van Bang
{"title":"MIGRATION AND BURIAL TENDENCIES OF VARIABLE DENSITY MUNITIONS: INITIAL RESULTS FROM A LARGE-SCALE STUDY","authors":"Manoj Kumar Gangadharan, Temitope E Idowu, Emily Chapman, Jack A Puleo, Jacob Stolle, Damien Pham Van Bang","doi":"10.9753/icce.v37.management.48","DOIUrl":"https://doi.org/10.9753/icce.v37.management.48","url":null,"abstract":"Past military activity close to the coast has discarded numerous ordnances in the nearshore environment. These ordinances (some of them unexploded; also called UXOs or munitions) are transported by waves and currents and may become exposed on beaches. The increased intensity of storm events may lead to a subsequent increase in UXO exposure and migration. Prolonged exposure of UXOs to ocean conditions leads to surface growth that alters their bulk density. Hence, it is essential to understand the influence of bulk density on mobility characteristics. This study, funded by the Strategic Environment Research and Development Program (SERDP), aims to quantify the processes that affect the mobility and burial of variable density munitions in the surf and swash zones during scaled extreme forcing.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
FREQUENCY DISPERSION IN DEPTH-INTEGRATED MODELS THROUGH MACHINE LEARNING SURROGATES 基于机器学习代理的深度集成模型的频散
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.waves.54
Maile McCann, Patrick Lynett, Behzad Ebrahimi
{"title":"FREQUENCY DISPERSION IN DEPTH-INTEGRATED MODELS THROUGH MACHINE LEARNING SURROGATES","authors":"Maile McCann, Patrick Lynett, Behzad Ebrahimi","doi":"10.9753/icce.v37.waves.54","DOIUrl":"https://doi.org/10.9753/icce.v37.waves.54","url":null,"abstract":"Boussinesq- type wave models have the accuracy to resolve wave propagation in coastal zones, having the ability to capture nearshore dynamics that include both nonlinear and dispersive effects for relatively short waves. The accuracy of Boussinesq type models over their counterparts which utilize the non- linear shallow water (NLSW) equations provides a clear advantage in studying nearshore processes. However, the computational expense of finding the Boussinesq solution over the NLSW solution hinders fast and/ or real time simulation using Boussinesq type models.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
LARGE SCALE LABORATORY OBSERVATIONS OF WAVE FORCE REDUCTION ON COASTAL BUILDINGS BY AN IDEALIZED MANGROVE FOREST 理想红树林对海岸建筑物波浪力减少的大尺度实验室观测
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.structures.87
Pedro Lomonaco, William Mitchell, Kiernan Kelty, Daniel Cox, Tori Tomiczek
{"title":"LARGE SCALE LABORATORY OBSERVATIONS OF WAVE FORCE REDUCTION ON COASTAL BUILDINGS BY AN IDEALIZED MANGROVE FOREST","authors":"Pedro Lomonaco, William Mitchell, Kiernan Kelty, Daniel Cox, Tori Tomiczek","doi":"10.9753/icce.v37.structures.87","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.87","url":null,"abstract":"As coastal communities face increasing chronic and acute hazards, nature-based coastal engineering solutions have experienced a rapid growth in popularity and interest. Recent works on this topic have shown that this “green infrastructure” may be effective at mitigating coastal hazards and thus have potential as sustainable adaptation alternatives to traditional engineering solutions such as seawalls and breakwaters. However, the amount of protection that green infrastructure can provide has yet to be quantified broadly. The purpose of this study is to quantify the wave force attenuation on coastal buildings by an idealized mangrove forest at a prototype scale and provide guidance to engineers in the design and management of mangrove forests to reduce damage due to storm waves over moderate cross-shore distances.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PSEUDO GLOBAL WARMING EXPERIMENTS OF BEACH MORPHOLOGICAL CHANGE: CASE STUDY IN NIIGATA COAST CAUSED BY TYPHOON LUPIT (2021) 伪全球变暖对海滩形态变化的影响——以台风露比(2021)引起的新泻海岸为例
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.management.28
Kota Ohizumi, Ryota Nakamura, Daichi Katayama, Shu Ito, Kunihiko Ishibashi, Shigeru Kato
{"title":"PSEUDO GLOBAL WARMING EXPERIMENTS OF BEACH MORPHOLOGICAL CHANGE: CASE STUDY IN NIIGATA COAST CAUSED BY TYPHOON LUPIT (2021)","authors":"Kota Ohizumi, Ryota Nakamura, Daichi Katayama, Shu Ito, Kunihiko Ishibashi, Shigeru Kato","doi":"10.9753/icce.v37.management.28","DOIUrl":"https://doi.org/10.9753/icce.v37.management.28","url":null,"abstract":"Extreme external forces such as associated with strong cyclones have often caused severe coastal erosions. Numerical simulation models have been employed for evaluating these coastal morphological changes (Roelvink et al., 2009). However, few studies focused on the morphological response caused by tropical cyclones under expected climate change. In this study, field surveys and numerical simulations were conducted to evaluate morphological changes caused by typhoon Lupit (2021) on Niigata coast. PGW (Pseudo Global Warming) methods under the SSP scenarios of IPCC AR6 were used to simulate morphological responses under expected climate change.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
BIODIVERSITY BENEFITS OF SCALING UP MARINE ECO-ENGINEERING 扩大海洋生态工程的生物多样性效益
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.structures.71
Melanie Bishop, Maria Vozzo, Mariana Mayer-Pinto, Katherine Dafforn
{"title":"BIODIVERSITY BENEFITS OF SCALING UP MARINE ECO-ENGINEERING","authors":"Melanie Bishop, Maria Vozzo, Mariana Mayer-Pinto, Katherine Dafforn","doi":"10.9753/icce.v37.structures.71","DOIUrl":"https://doi.org/10.9753/icce.v37.structures.71","url":null,"abstract":"Marine construction is a growing source of biodiversity loss in our oceans. The ecological impacts of marine constructions arise both from their destruction and degradation of natural habitats, but also their flat and often featureless surfaces, which provide little protection to marine life from predation and environmental stressors (Bulleri, Chapman 2010; Airoldi et al. 2005). The net effect is loss of native biodiversity, and spread of pest species. Marine “eco-engineering” seeks to mitigate some of these impacts by co-designing marine constructions for humans and nature (Chapman et al. 2018). Small-scale experiments indicate benefits to biodiversity of adding complex surface geometries to marine built structures (Strain et al. 2018, 2020). However, there are few examples where habitat complexity has been added to marine constructions at scale. We assessed the biodiversity benefits of adding habitat complexity to seawalls at scales of tens of meters, We also compared the efficacy of different types of habitat complexity in benefiting biodiversity.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF GRAIN SHAPE ON BEDLOAD TRANSPORT OF CORAL GRAVELS UNDER TURBULENT FLOW 湍流条件下珊瑚砾石颗粒形状对顺质输运的影响
Proceedings of ... Conference on Coastal Engineering Pub Date : 2023-09-01 DOI: 10.9753/icce.v37.sediment.33
Lilei Mao, Jiabo Li, Yoshimitsu Tajima, Takenori Shimozono
{"title":"EFFECT OF GRAIN SHAPE ON BEDLOAD TRANSPORT OF CORAL GRAVELS UNDER TURBULENT FLOW","authors":"Lilei Mao, Jiabo Li, Yoshimitsu Tajima, Takenori Shimozono","doi":"10.9753/icce.v37.sediment.33","DOIUrl":"https://doi.org/10.9753/icce.v37.sediment.33","url":null,"abstract":"Coral islands with low-lying accumulations of wave-deposited carbonate bioclasts are suffering significant erosion and flooding threats due to sea level rise and wave climate changes. Properties of coral gravels are distinct from natural quartz sands in its larger skeletal porosity and more irregular shape (de Kruijf et al., 2021). This study aims to investigate how the particle shape affects bedload transport process of coral gravels under turbulent flow by means of laboratory experiments, which can provide insights for better predictive skills of morphology change of coral islands.","PeriodicalId":497926,"journal":{"name":"Proceedings of ... Conference on Coastal Engineering","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135433700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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